Requisite
来自Big Physics
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late Middle English: from Latin requisitus ‘searched for, deemed necessary’, past participle of requirere (see require).
wiktionary
From Latin requīsītus, perfect passive participle of requīrō(“I require, seek, ask for”), from which English require.
etymonline
requisite (adj.)
"needed, necessary, required by circumstances or the nature of things, so needful that it cannot be dispensed with," mid-15c., from Latin requisitus, past participle of requirere "seek to know, ask, ask for" (see require). As a noun, "that which is necessary, something indispensable," from c. 1600. Related: Requisiteness.
